package com.ysd.gulimall.cart.config;

import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

//这里加就不加Component
@EnableConfigurationProperties(ThreadPoolConfigProperties.class)
@Configuration
public class MyThreadConfig {

    @Bean
    public ThreadPoolExecutor threadPoolExecutor(ThreadPoolConfigProperties pool){
        /**
         * corePoolSize 核心线程池的大小
         * maxinumPoolSize 最大核心线程池
         * keepAliveTime 空闲线程保持就秒
         * unit 时间单位  TimeUnit.SECONDS秒
         * workQueue 阻塞队列长度  new LinkedBlockingDeque<>(10000) 最多十万个异步任务
         * threadFactory 线程工厂
         * handler 拒绝措施
         */
        return new ThreadPoolExecutor(
                pool.getCoreSize(),
                pool.getMaxSize(),
                pool.getKeepAliveTime(),
                TimeUnit.SECONDS,
                new LinkedBlockingDeque<>(10000),
                Executors.defaultThreadFactory(),
                new ThreadPoolExecutor.AbortPolicy());
    }

}
